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-rw-r--r--tools/perf/util/event.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index a19e840db54a..87f683fd6f26 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -794,11 +794,13 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
int err;
union perf_event *event;
- if (symbol_conf.kptr_restrict)
- return -1;
if (map == NULL)
return -1;
+ kmap = map__kmap(map);
+ if (!kmap->ref_reloc_sym)
+ return -1;
+
/*
* We should get this from /sys/kernel/sections/.text, but till that is
* available use this, and after it is use this as a fallback for older
@@ -822,7 +824,6 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
}
- kmap = map__kmap(map);
size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
"%s%s", mmap_name, kmap->ref_reloc_sym->name) + 1;
size = PERF_ALIGN(size, sizeof(u64));
@@ -1520,6 +1521,8 @@ int machine__resolve(struct machine *machine, struct addr_location *al,
}
al->sym = map__find_symbol(al->map, al->addr);
+ } else if (symbol_conf.dso_list) {
+ al->filtered |= (1 << HIST_FILTER__DSO);
}
if (symbol_conf.sym_list &&